King Charles I: The monarch whose steadfast belief in the divine right of kings brings him into direct conflict with Parliament.Queen Henrietta Maria: The devoted and influential wife of Charles I, whose loyalty and actions significantly impact the course of events.Sir Richard Heydon: A fictional nobleman loyal to the king, whose personal and political dilemmas illustrate the broader conflict.Lady Mary Heydon: Sir Richard's wife, whose perspective offers insight into the experiences of women during the war.General Oliver Cromwell: The leader of the Parliamentary forces, depicted as a complex and determined adversary.